1. Division of Vascular Surgery and Endovascular Therapy Michael E. DeBakey Department of Surgery, Baylor College of Medicine/Michael E. DeBakey Veterans Affairs Medical Center, Houston, TX, USA
2. Paul L. Foster School of Medicine, Texas Tech University Health Sciences Center, El Paso, TX, USA
3. Division of Metabolism Endocrinology and Diabetes, Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, MI, USA
4. Primary Care Line Michael E. DeBakey Veterans Affairs Medical Center, Houston, TX, USA
5. Louis Stokes VA Medical Center Cleveland, OH, USA
6. Department of Surgery, Southern Arizona Limb Salvage Alliance (SALSA), University of Arizona College of Medicine, Tucson, AZ, USA